| 摘要 |
A nest tire structure to prevent a tire from blowing out completely; the inner surface of an outer tire is mounted with a solid inner tire, of which the sectional view is in a round or oblong shape. Whenever the outer tire has a leak, the solid inner tire can separate the steel rim from becoming direct contact with the ground surface and the outer tire so as to prevent the steel rim from becoming direct contact with the ground surface and the outer tire so as to prevent the steel rim from being deformed or a car losing its balance to result in falling down, and also to let a car to run at a given short distance.
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